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Monitoring OMD sites with check_omd

Jun 7, 2016 · 2 min read · icinga nagios omd ·

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Using OMD it is possible to setup a working monitoring for checking infrastructure setups just within minutes.

But - what monitored OMD-relevant processes? Usually, a OMD site consists of multiple pre-configured services such as:

Icinga or Nagios
Apache web server
Cron service
rrdcached (for RRD graphs)
npcd ( …

Short tip: OMD and Python error 'TypeError: 'frozenset' object is not callable'

May 27, 2016 · 1 min read · omd kurztipp ·

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When configuring and testing a Python Icinga plugin within an OMD site, I stumbled upon the following error recently:

1TypeError: 'frozenset' object is not callable

After some tests on other systems, I found out, that the Python library hashlib shipped with OMD seems to be faulty. Copying the system-wide …

Use OMD with ssmtp

Nov 7, 2013 · 2 min read · omd ·

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If you use Open Monitoring Distribution (OMD) and don't want to setup a full-fledged Postfix or Sendmail service (e.g. because it is a test system) you might want to have a look at the alternative tool ssmtp for relaying mails to an external mail server. The tool is only recommend if you don't need any local mail …
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RHEL 6.4, tmpfs and OMD: can't find /omd/sites/... in /etc/fstab or /etc/mtab

Mar 18, 2013 · 2 min read · omd ·

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Hint: The following issue has been fixed by a RHEL / CentOS patch (util-linux-ng) - just update your system!

If you want to install Open Monitoring Distribution on RHEL or CentOS 6.4, you might have the problem that creating sites isn't working as expected:

1# omd create test
2Adding /omd/sites/test/tmp to /etc/fstab. …